solid-state

adjective

sol·​id-state ˌsä-ləd-ˈstāt How to pronounce solid-state (audio)
1
: relating to the properties, structure, or reactivity of solid material
especially : relating to the arrangement or behavior of ions, molecules, nucleons, electrons, and holes in the crystals of a substance (such as a semiconductor) or to the effect of crystal imperfections on the properties of a solid substance
solid-state physics
2
a
: utilizing the electric, magnetic, or optical properties of solid materials
solid-state circuitry
b
: using semiconductor devices rather than electron tubes
a solid-state radio

Examples of solid-state in a Sentence

Recent Examples on the Web
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The new solid-state cells hit 410 Wh/kg, a 60% jump. Omar Kardoudi june 12, New Atlas, 12 June 2026 Stellantis has integrated Factorial Energy’s solid-state battery cells into a Dodge Charger Daytona development vehicle and begun road testing the technology, marking a key step toward bringing solid-state batteries into production vehicles. Neetika Walter, Interesting Engineering, 11 June 2026 The aircraft was originally powered by lithium-ion batteries rated at 260 Wh/kg, but has been reconfigured so that the single motor runs on solid-state batteries that deliver 410 Wh/kg. Rachel Cormack, Robb Report, 9 June 2026 Donut Lab’s solid-state battery claims have been thoroughly debunked by Ryan Inis Hughes on his popular Ziroth YouTube channel. Thomas Ricker, The Verge, 9 June 2026 See All Example Sentences for solid-state

Word History

First Known Use

circa 1951, in the meaning defined at sense 1

Time Traveler
The first known use of solid-state was circa 1951

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Cite this Entry

“Solid-state.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solid-state. Accessed 16 Jun. 2026.

Kids Definition

solid-state

adjective
1
: relating to the characteristics and structure of solid material
2
: using semiconductor devices rather than electron tubes
a solid-state radio
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